Harris Value

12135 Olympia Dr, Houston, TX 77077

2,289 sqft, built 1981, in Briar Forest Appraised at $510,048 for 2026.

Harris County account 1118890000016

Appraised value
$510,048
Tax year 2026 · after any cap, before exemptions
Living area
2,289 sqft
$223 per sqft
Year built
1981
Good quality

Compare this assessment

Start with the county value and property facts, then review appraisal comps, recent sales, and prior-year changes to decide whether the assessment is worth challenging. The comps on this page are free to review; email sign-in is only used to save a printable report.

For nearby context, browse ZIP 77077 and Briar Forest assessment pages.

Protest deadline

The 2026 protest deadline was . The 2027 protest deadline is . 2027 notices usually arrive in April.

Deadline rule: May 15, or 30 days after your notice of appraised value is delivered, whichever is later. A deadline on a weekend or holiday moves to the next business day. Evidence is reviewed by the Appraisal Review Board (ARB). Dates checked against the official source.

Assessment snapshot

These public HCAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value increased 7.8% from $473,162 in 2025 to $510,048 in 2026.
  • Appraised value per square footThe current public record shows about $223 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Briar Forest neighborhood and ZIP 77077.
  • Neighborhood value signalAmong 380 residential records in the same neighborhood, the average appraised value is about $163 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +7.6% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 12219 Rocky Knoll Dr, Houston, TX 77077
    2,264 sqft | $221/sqft | built 1982 | Similar size (2,264 vs 2,289 sqft); Similar age (1982 vs 1981); Similar lot size (8,510 vs 8,624 sqft)
    $499,834
  • 12118 Burgoyne Dr, Houston, TX 77077
    2,292 sqft | $187/sqft | built 1983 | Similar size (2,292 vs 2,289 sqft); Similar age (1983 vs 1981); Similar lot size (8,395 vs 8,624 sqft)
    $428,320
  • 1914 Round Lake Dr, Houston, TX 77077
    2,340 sqft | $227/sqft | built 1982 | Similar size (2,340 vs 2,289 sqft); Similar age (1982 vs 1981); Similar lot size (8,591 vs 8,624 sqft)
    $531,622
  • 1943 Round Lake Dr, Houston, TX 77077
    2,327 sqft | $201/sqft | built 1980 | Similar size (2,327 vs 2,289 sqft); Similar age (1980 vs 1981); Similar lot size (8,510 vs 8,624 sqft)
    $467,371
  • 12107 Olympia Dr, Houston, TX 77077
    2,229 sqft | $183/sqft | built 1981 | Similar size (2,229 vs 2,289 sqft); Built same year (1981); Similar lot size (8,050 vs 8,624 sqft)
    $408,661

Recent comparable sales

Sales selected by similarity to the subject property. Texas is a non-disclosure state, so these MLS-listed sales are supplemental evidence.

  • 12026 Sugar Springs Dr, Houston, TX 77077
    September-4-2026 | 2,323 sqft | $252/sqft | built 1975 | Similar size (2,323 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $585,000
  • 11319 Olympia Dr, Houston, TX 77077
    September-11-2026 | 2,166 sqft | $145/sqft | built 1977 | 5% size difference (2,166 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $315,000
  • 12219 Rocky Knoll Dr, Houston, TX 77077
    July-14-2026 | 2,264 sqft | $212/sqft | built 1982 | Similar size (2,264 sqft); Similar age (1982); Sold after the valuation date
    $480,000
  • 12219 Burgoyne Dr, Houston, TX 77077
    August-31-2026 | 2,206 sqft | $199/sqft | built 1982 | Similar size (2,206 sqft); Similar age (1982); Sold after the valuation date
    $440,000
  • 13026 Waldemere Dr, Houston, TX 77077
    August-3-2026 | 2,321 sqft | $155/sqft | built 1982 | Similar size (2,321 sqft); Similar age (1982); Sold after the valuation date
    $360,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Harris County Appraisal District. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.